The aluminum-containing composite propellant burns in the acceleration field, dividing the dynamic process and the steady state process. In the dynamic process, when the combustion begins, the ignition temperature of the AP is low and the combustion is performed first. The heat released c.......
On September 23, SAIC Roewe 750 fuel cell sedan, Roewe 550 plug-in hybrid car, Roewe E50 pure electric car, MG6 clean diesel car and other new energy fleet, slowly entered the Beijing Automobile Museum, which marked The northern .......
If the gearbox oil is too little oil leakage or the oil is exhausted, the ratio of gasoline to oil is too large, and the lubrication is not good, which is a factor that causes the engine temperature to be high. If the engine temperature is too low, the pilot should be softened to prevent t.......